APPENDIX A: SPECIFICATIONS
ANALOG SPECIFICATIONS
Full Scale Input Signal
30mV, including dead load
Minimum Sensitivity - Non H-44
0.4
µ
V / grad
Minimum Sensitivity - H-44
1.0
µ
V / grad
Input Impedance
30M
Ω
, typical
Internal Resolution - TI-500,
TI-500E, TI-500E-SS
Approximately 260,000 to 325,000 counts
Internal Resolution – TI-500-SL
Approximately 150,000 counts
Internal Resolution – TI-500-BW,
TI-500-SSB
Approximately 130,000 counts
Display Resolution
50,000 display division max
Measurement Rate
10 Meas/sec, nominal
System Linearity
Within 0.02% of FS
Calibration Method
Software Calibration, with long term storage in EEPROM
Excitation Voltage – TI-500,
TI-500E, TI-500E-SS
+10 VDC, 4 x 350
Ω
load cells
Excitation Voltage – TI-500-BW,
TI-500-SSB, TI-500-SL
+5 VDC, 4 x 350
Ω
load cells
DIGITAL SPECIFICATIONS
Microcontrollers
•
Intel 80C32
•
Winbond W78E58
•
Winbond W78E516
Program
Memory
•
64K x 8, external to
µ
C
•
32K x 8, internal to
µ
C
SRAM:
•
256 x 8, internal to
µ
C
•
64K x 8, external to
µ
C
•
256 x 8, internal to
µ
C
EEPROM:
64 x 16, external to
µ
C
Digital Filtering
Software selectable
SERIAL COMMUNICATIONS
Serial Port
Full Duplex, 1200, 2400, 4800, 9600, 19200 Baud
8 data bits, no parity, 1 stop bit
7 data bits, odd parity, 1 stop bit
7 data bits, even parity, 1 stop bit
7 data bits, no parity, 2 stop bits
OPERATOR INTERFACE
Display – LED Indicators
0.56" (14 mm) 7-segment, LED, 6 Digit
Display – LCD Indicators
0.8" (20 mm) 7-segment, Liquid Crystal, 6 Digit
Additional Symbols
Net, Gross, Stable, Tare, lb, kg, Zero, PCS
Keyboard
5-key flat membrane panel
POWER
Alkaline Batteries
6 x “C” Size (UM-2) Cells
Rechargeable Battery
6 VDC, 3.0 Ah lead acid
AC Adapter – TI-500, TI-500E
12 VDC, 500mA Female
AC Adapter – TI-500-BW, TI-500-SSB
12 VDC, 800mA Female
DC Power Consumption - TI-500
80mA + 30mA/350
Ω
Load Cell
DC Power Consumption - TI-500-BW, TI-500-SSB
80mA + 15mA/350
Ω
Load Cell
DC Power Consumption - TI-500E, TI-500E-SS
200mA + 30mA/350
Ω
Load Cell
DC Power Consumption - TI-500-SL
55mA + 15mA/350
Ω
Load Cell
Page A-1
1
Includes TI-500E-SS (4-20) indicator.